"This copy of windows is not genuine" after update KB4534310

[Windows 7]

When i was want to update KB4534310 to play games, "windows is not genuine" randomly appears after updating, But, windows is still active normally, just that text, with also every time i startup, there is black screen and a notification told me "active windows" with option ignore and ignore, that scares me a lot, i download the KB at microsoft update catalog. I tried to redeem an product key and its keep giving me error that its cant be reedem it

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